Seven letter words change one or two letter to make a new word

mortise

sorties

stroked

strobes

boasted

stabbed

debased

debated

debacle

clabber (and why wasn’t this word in the SDMB dictionary)?

reclaim

MacLean

clamber

clammer

(one who digs clams)

climber

recline

inverse

several

leavens

elevate